All posts tagged "amplifier repair"

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  Revisit Of Jinxed AMP With Torroid Transformer Failure

                Those of you who have missed the story behind this Audiosource Amp One, please read it using this link: https://jestineyong.com/servicing-audiosource-amplifier/ Well, as this Transformer failed again at the customer’s place,...

  • Posted April 17, 2020
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  Restoring Antique Valve Amplifier Ahuja TM-50

                            This Ahuja Valve Amp was gifted to me by one of my friends, looking at my interest in collecting antique pieces. It was lying...

  • Posted February 11, 2020
  • 29
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  BOUYER AS30 Power Amplifier Repair

                      This is an antique piece, which I bought from a scrap picker many years back. When I sold many of my electronic scrap and other things to...

  • Posted November 20, 2019
  • 7
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  DENON AVR 2311- Power Supply Problem Rectified

                        Good Morning, I got this Denon AVR which could not power up recently.  With a hope to apply my troubleshooting techniques learnt from Mr. Jestine’s class,...

  • Posted November 12, 2019
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  Kustom Groove 1200 Bass Amp Repair

                    A customer dropped this bass amplifier off for repair. It had been at another repair shop. They weren’t able to repair it. Upon assessment I found that the...

  • Posted July 5, 2019
  • 16
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  A Sound/Video Amplifier With (Protect) On Display Repaired. Model AVR142/230  Harman/Kardon

                    A man came to my shop and had an amplifier for repair. He said his son put a metal device in the speakers output. After this was done,...

  • Posted May 17, 2019
  • 5
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  Tampered Amplifier Set Repaired

                      This Amplifier model Sonodyne SC1020 was brought to me by a regular customer with the complaint that it had on/off relay problems and it was given to...

  • Posted May 4, 2019
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  JEDIA  JPA-480CP Amplifier Repair (Protection Mode Problem)

                      This amplifier failed whilst in use and went into its Protection mode.  At the time there was detectable reason for the fault so it was removed from service...

  • Posted March 26, 2019
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